26420400622 has 16 divisors (see below), whose sum is σ = 49409580672. Its totient is φ = 10293662520.

The previous prime is 26420400599. The next prime is 26420400631. The reversal of 26420400622 is 22600402462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85780368 + ... + 85780675.

It is an arithmetic number, because the mean of its divisors is an integer number (3088098792).

Almost surely, 2^26420400622 is an apocalyptic number.

26420400622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26420400622 is a deficient number, since it is larger than the sum of its proper divisors (22989180050).

26420400622 is a wasteful number, since it uses less digits than its factorization.

26420400622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171561063.

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 26420400622 in words is "twenty-six billion, four hundred twenty million, four hundred thousand, six hundred twenty-two".